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Finding the Fourth Proportional to 163,428.72, 225,466.78 and 94,505.44

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Solution

The fourth proportional to 163,428.72, 225,466.78 and 94,505.44 is: 130,380.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,428.72 : 225,466.78 = 94,505.44 : x
  2. Step 2: Convert to fraction form
    163,428.72/225,466.78 = 94,505.44/x
  3. Step 3: Cross multiply
    163,428.72x = 225,466.78 × 94,505.44
  4. Step 4: Simplify right side
    163,428.72x = 21,307,836,776.76
  5. Step 5: Solve for x
    x = 21,307,836,776.76/163,428.72
  6. Step 6: Final answer
    x = 130,380.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.